Motorola revealed details of its plans for iRadio, a subscription music service that will go on sale this year. Motorola’s iRadio service will first run on the Rokr E2 cell phone, which, unlike the first Rokr phone, will not include Apple’s popular iTunes music software. The iRadio service, will include 435 commercial-free radio channels, including genres such as Heavy Metal, Rockin’ Cowboys, and Angry Women.